<?php
/*
    OpenLib
    Copyright (C) 2011  Michael Gukov, Pham Thi Thuy Duong

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/


namespace App\Models;

use Sun\Sun;

class Search implements \Sun\IModel {
    private static $name = 'SEARCH_DATA';
    
    public static function GetSelItems() {
        if (empty($_SESSION[self::$name])) self::ClearSelItems();
        return array_keys($_SESSION[self::$name]);
    }
    
    public static function ClearSelItems() {
        $_SESSION[self::$name] = array();
    }
    
    public static function SelItem($item_id) {
        if (empty($_SESSION[self::$name])) self::ClearSelItems();
        $_SESSION[self::$name][$item_id] = 1;
    }
    
    public static function DeselItem($item_id) {
        unset($_SESSION[self::$name][$item_id]);
    }
    
    
}
